Semenov Sergey Yu., Sivkova Elena E., Semenov Sergey Yu., Sivkova Elena E. «USING «CONSTRUCTED WETLANDS» TECHNOLOGY FOR WASTEWATER TREATMENT IN SMALL COMMUNITIES AND ENTERPRISES» //  2010. №4 (12) C.123-130
                                                    
                        Sivkova Elena E., Pribytkova Ekaterina V. «The effects of Typha latifolia and componentsof filter media on ammonia nitrogen removal in constructed wetland treatmentsystems» //  2011. №2 (14)          C.141-149